Outdoor exercise
Is it safe to run in Kolkata today?
Live AQI and the best running window for Kolkata based on Open-Meteo hourly forecasts.
Running today
Yes — generally safe for outdoor running
Current conditions are good for outdoor running, including longer or higher-intensity sessions. Sensitive groups — young children, older adults, and people with asthma or heart conditions — can generally exercise outdoors as normal, but it is still worth checking the hourly forecast below in case conditions shift later in the day.
Current AQI in Kolkata
52
Fair
Updated 19 Jul 2026, 10:30
Best window to run (next 12h)
16:30 – 17:30 · lowest ~45 AQI
Hourly AQI (next 12 hours)
Now
58
11:30
56
12:30
55
13:30
47
14:30
44
15:30
52
16:30
45
17:30
45
18:30
45
19:30
49
20:30
49
21:30
53
What affects air quality for runners in Kolkata
Kolkata experiences strong seasonal swings, with winter PM2.5 episodes driven by inversion traps, biomass burning, and congested diesel traffic across the Gangetic plain. Fine particles often dominate health risk during calm, cool nights and mornings.